About 44 results
https://drivepatents.com/patents/1001185 · 20 Jun 2012
A method of matching, in a Coriolis gyroscope, the natural frequency of a sense oscillator to the natural frequency of a drive oscillator, comprising; generating a plurality of pilot tones of different frequencies and adding each pilot tone to a feedback s...
https://drivepatents.com/patents/1002920 · 2 May 2012
In an angular velocity sensor, an upper electrode (11) of a first piezoelectric element (D1) and a lower electrode (12) of a second piezoelectric element (D2) are connected to an input terminal (21a) of a first Q/V conversion circuit (21), and a lower elec...
https://drivepatents.com/patents/1003022 · 25 Apr 2012
The device has a control unit (3) connected to inertial sensors i.e. angular sensors e.g. rate gyroscopes (2x-2z), where each sensor has a sensitive axis. The sensitive axes are respectively aligned on axes (X-Z) of reference mark. Each sensor has a predet...
https://drivepatents.com/patents/1003019 · 25 Apr 2012
Spring set configurations that include an advantageous combination of spring geometries are disclosed. Spring elements having curved and straight sections, orientation of spring element anchor points with respect to the common radius, orientation of spring...
https://drivepatents.com/patents/1003371 · 18 Apr 2012
An angular velocity detection apparatus 1 (i.e., physical quantity detection apparatus) includes a gyro sensor element 100 (i.e., physical quantity detection element) that allows an angular velocity detection signal that corresponds to the magnitude of an ...
https://drivepatents.com/patents/1008492 · 19 Oct 2011
A micro-electromechanical system (MEMS) structure for an angular rate sensor, the structure comprising: first and second silicon-insulator composite wafers formed of silicon parts electrically isolated from each other by insulator material; a planar mono-c...
https://drivepatents.com/patents/1009190 · 28 Sep 2011
An apparatus for detecting angular velocity and acceleration having diagnosing units (401, 402, 403, 404) for diagnosing the function of detecting angular velocity; diagnosing units (405, 406) for diagnosing the function of detecting acceleration; a diagno...
https://drivepatents.com/patents/1009518 · 14 Sep 2011
An angular rate sensor includes a metallic core board 2 having a core metal layer 1 made of a metal plate and a wiring layer 18 including a wiring structure, a semiconductor device 3 for detecting an angular rate fixed on the core metal layer 1, and a cap ...
https://drivepatents.com/patents/1009517 · 14 Sep 2011
The resonator has electrostatic type actuation units i.e. voltage generators (42, 44), actuating a deformable element e.g. cantilever beam (20), to simultaneously apply actuation forces at two frequencies, where the frequencies create two resonances simult...
https://drivepatents.com/patents/1009865 · 24 Aug 2011
A gyroscope includes a body (6), a driving mass (7), which is mobile according to a driving axis (X), and a sensing mass (8), which is driven by the driving mass (7) and is mobile according to a sensing axis (Y), in response to rotations of the body (6). A...